.p-header__brand {
  position: relative;
}

.p-header__brandBtn {
  position: relative;
  z-index: 1;
  display: block;
  margin: 0;
  padding: 0;
  border: 0;
  appearance: none;
  background: transparent;
  color: #3c2b0b;
  font-family: "Shippori Mincho B1", serif;
  font-size: 16rem;
  font-weight: 600;
  line-height: inherit;
  text-align: left;
  white-space: nowrap;
  cursor: pointer;
}

.p-header__brandBtn::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: -1;
  width: 44rem;
  aspect-ratio: 1 / 1;
  background-image: var(--brand-circle);
  background-size: 100% 100%;
  translate: -50% -50%;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s;
}

.p-header__brandBtn.now::before {
  opacity: 0.3;
}

.p-header__brand:hover > .p-header__brandBtn::before,
.p-header__brandBtn:focus-visible::before {
  opacity: 1;
}

.p-header__brand:hover > .p-header__brandBtn.now::before,
.p-header__brandBtn.now:focus-visible::before {
  opacity: 0.8;
}

.p-header__brandBtn::after {
  content: none;
}

.p-header__brandBtn:focus-visible {
  outline: 2rem solid #3c2b0b;
  outline-offset: 4rem;
}

.p-header__brandDropdownWrap {
  position: absolute;
  top: 100%;
  left: 50%;
  z-index: 10;
  display: grid;
  grid-template-rows: 1fr;
  padding-top: 24rem;
  transform: translateX(-50%);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity 0.3s ease,
    visibility 0s linear 0.3s;
}

.p-header__brand.is-open > .p-header__brandDropdownWrap {
  grid-template-rows: 1fr;
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transition-delay: 0s;
}

.p-header__brandDropdownInner {
  min-height: 0;
}

.p-header__brandDropdown {
  min-width: 240rem;
  margin: 0;
  padding: 8rem;
  list-style: none;
  background: #f8f7f2;
  border-radius: 5rem;
  box-shadow: 0 3rem 6rem rgb(78 39 5 / 16%);
}

.p-header__list .p-header__brandDropdown > li {
  margin: 0;
  padding: 0;
  border: 0;
}

.p-header__list .p-header__brandDropdown > li > a {
  display: block;
  max-width: max-content;
  padding: 10rem 12rem;
  background: transparent;
  color: #3c2b0b;
  font-size: 14rem;
  white-space: nowrap;
}

@media screen and (max-width: 1440px) {
  .p-header__brandBtn {
    font-size: 14rem;
  }
}

/* スマホ */
@media screen and (max-width: 856px) {
  .p-header__brandBtn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding-right: 8rem;
    font-size: 18rem;
  }

  .p-header__brandBtn::before {
    content: none;
  }

  .p-header__brandBtn::after {
    content: "";
    flex-shrink: 0;
    width: 7rem;
    height: 7rem;
    margin-left: 12rem;
    border-right: 1rem solid currentColor;
    border-bottom: 1rem solid currentColor;
    transform: translateY(-2rem) rotate(45deg);
    transition: transform 0.3s ease;
  }

  .p-header__brandBtn[aria-expanded="true"]::after {
    transform: translateY(2rem) rotate(225deg);
  }

  .p-header__brandDropdownWrap {
    position: static;
    grid-template-rows: 0fr;
    padding: 0;
    transform: none;
    transition:
      grid-template-rows 0.3s ease,
      opacity 0.3s ease,
      visibility 0s linear 0.3s;
  }

  .p-header__brandDropdownInner {
    overflow: hidden;
  }

  .p-header__brandDropdown {
    min-width: 0;
    margin: 12rem 0 0;
    padding: 0 0 0 12rem;
    border-left: 1rem solid #d1c7b4;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
  }

  .p-header__list .p-header__brandDropdown > li > a {
    font-size: 16rem;
    white-space: normal;
  }
}

@media (prefers-reduced-motion: reduce) {
  .p-header__brandDropdownWrap,
  .p-header__brandBtn::before,
  .p-header__brandBtn::after {
    transition: none;
  }
}